In the tubular tire-rim interface, the difficult surface to work with is the rim. Base tape, which is just about always a woven strip of cotton cloth, is easy. Glue seeps between the threads, stays there, and dries. The rim is another story. The glue has to bond to the rim in some way, but not...

Built for gravel riders who demand a high level of performance, the Gravel/CX Tire Insert Set from Cush Core is our ultimate safety net for race days or remote rides when we can't risk a flat. Its lightweight design is optimized for gravel riding and racing, and it functions as a barrier between...

An ultra-lightweight insert that reduces fatigue, improves cornering, and helps prevent flats.*Note: For 650b or 700c Gravel wheels with a 47c tire or wider choose the 27. 5 (650b) or 29 (700c) XC model.

All the performance benefits of the PRO, but optimized for plus sized tires and wider rims.

The original full-performance version. CushCore PRO allows you to push the limits of your tires and suspension to new levels. The best choice for the majority of wheels, terrain, and riders.

The Cush Core Tire Insert Set is a dream come true for riders who have blown countless tires or cracked rims on gnarly rides. It's designed to mount inside of mountain bike tires to divide the inner volume in half, which protects the rim. Dense foam reduces vibration and adds lateral stability,...

CushCore TRAIL provides an all-new option for riders looking for a performance/weight balance between our PRO and XC inserts. Additionally, CushCore TRAIL was engineered to provide more progressive sidewall support: the harder you push, the more support youll feel. Enabling supple tire response...

CushCore TRAIL provides an all-new option for riders looking for a performance/weight balance between our PRO and XC inserts. Additionally, CushCore TRAIL was engineered to provide more progressive sidewall support: the harder you push, the more support youll feel. Enabling supple tire response...

Ready your steed for tubeless protection with the help of Cush Core Tubeless Valves. Made from CNC-machined aluminum, these durable valve stems are compatible with most tubeless rims and come in a wide variety of dazzling colors. When the time comes to resupply your sealant, the valve core can be...

The XC Tire Insert Set is for cross-country racing, light trail use, and slightly less aggressive riders. This set includes two Cush Core tire inserts, two 44mm Cush Core Presta air valves, a valve core tool, installation instructions, and rim stickers.